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Titel An overview of fast-flowing glaciers on Svalbard from satellite SAR speckle tracking and matching of repeat optical images
VerfasserIn A. Kääb, T. Strozzi, C. Werner
Konferenz EGU General Assembly 2009
Medientyp Artikel
Sprache Englisch
Digitales Dokument PDF
Erschienen In: GRA - Volume 11 (2009)
Datensatznummer 250029716
 
Zusammenfassung
Fast-flowing, calving glaciers on Svalbard are an important factor in the mass balance of the archipelago’s glaciers. Many, if not most Svalbard glaciers are believed to be of surge-type, so that glacier flow speed may vary substantially over years and decades. The study presented here provides a current-day snapshot of fast-flowing glaciers over Svalbard. SAR speckle tracking based on repeat Radarsat-1 SAR data from 2007 and 2008 was used for an overview map. Matching of repeat optical satellite images complements these measurements for selected areas.